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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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30 free minutes with a training advisor — no commitment.
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Cybersecurity training in Oklahoma City in December 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
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Don't let this gap widen
Without this training, your Ruby scripts remain slow and buggy, wasting 20-30% of development time on basic errors like unhandled exceptions or poorly optimized Hashes.
Imagine losing DevOps contracts due to poorly integrated gems, or your apps crashing in production in front of unhappy clients, costing up to 5000€ per incident according to Stack Overflow studies.
Juniors stagnate without mastering procs, multiplying bugs by 3, while Ruby on Rails competitors mock your untested code.
Invest 14h to avoid these pitfalls, boost your CV, and gain 15-25% immediate performance.
The Intermediate Ruby Training - Develop Robust and Optimized Apps training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Intermediate Ruby Training - Develop Robust and Optimized Apps training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Intermediate Ruby Training - Develop Robust and Optimized Apps training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Dive into advanced Hashes and Sets to handle complex data fluently, explore blocks and procs to create powerful iterators, complete practical exercises on system task automation, produce optimized tested scripts live, adopt Ruby idioms for idiomatic and maintainable code that boosts your productivity from day one.
Install and manage gems via Bundler to supercharge your projects, code automated tests with RSpec on real API cases, optimize profiling for 30% faster apps, assemble a complete Ruby application responding to a real client brief, receive expert feedback on your deliverables, leave with a concrete portfolio ready to impress recruiters.
Target audience
Web developers, software engineers, DevOps admins advancing their Ruby skills.
Prerequisites
Ruby basics (syntax, variables, loops, functions), object-oriented programming concepts.
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